Four-wheel dolly



FIG. 1 is a perspective view of a four-wheel dolly showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a perspective view of a four-wheel dolly showing a second embodiment of my new design;

FIG. 6 is a front elevational view of FIG. 5;

FIG. 7 is a top plan view of FIG. 5;

FIG. 8 is a side elevational view of FIG. 5; and

FIG. 9 is a rear elevational view of FIG. 5. 

The ornamental design for a four-wheel dolly, as shown and described. 